The milestonecard.com/activate is a simplest and secure process in the official website at MyMilestoneCard.com. Being the cardholder you can access real time data on the official credit card login website.
1. Visit Milestonecard portal
2. Click on the "Activate your card" option.
3. Then, type the username and password
4. Then, click on next
5. Then, enter Milestone credit card number and credit card number security code
6. Then, verify and submit it.
7. It will be activated shortly.
Also learn - https://www.accountiod.com/carters-credit-card-login/